Senior Fullstack Engineer (Java + React)
$175,200–$267,600 year
Hybrid · Kraków, Lesser Poland, Poland
Job Summary
Senior Fullstack Engineer responsible for developing backend services in Java and frontend features in React for a modern client onboarding platform in Global Banking and Markets. You will design and implement REST APIs within a microservices architecture, build scalable solutions, improve performance and stability, and contribute to initiatives that enhance customer experience and onboarding processes. Tasks include extending existing functionalities, debugging and improving code, writing automated tests, collaborating on CI/CD processes, implementing security best practices, and providing production support on a rotational basis. Key skills include Java 8+ and React JS, microservices, REST API design, automated testing, CI/CD, security practices, database design (including PostgreSQL), and strong problem-solving in a fast-paced, collaborative environment. Nice-to-have: PostgreSQL knowledge and DevOps POD model experience. Office hybrid in Kraków with 8 days onsite per month, plus benefits and training opportunities.
Required Qualifications
- Strong Java 8+ knowledge
- Good knowledge of React JS
- Experience debugging and extending existing applications
- Understanding of microservices architecture
- Ability to design and build REST APIs
- Experience writing automated tests
- Hands-on experience with CI/CD tools
- Knowledge of application security practices
- Strong problem-solving and analytical skills
- Ability to work in fast-paced collaborative environment
- Good understanding of database schema design
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